3120443 has 2 divisors, whose sum is σ = 3120444. Its totient is φ = 3120442.

The previous prime is 3120437. The next prime is 3120457. The reversal of 3120443 is 3440213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3120413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560221 + 1560222.

It is an arithmetic number, because the mean of its divisors is an integer number (1560222).

Almost surely, 2^3120443 is an apocalyptic number.

3120443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120443 is an equidigital number, since it uses as much as digits as its factorization.

3120443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3120443 is about 1766.4775684961. The cubic root of 3120443 is about 146.1297870121.

Adding to 3120443 its reverse (3440213), we get a palindrome (6560656).

The spelling of 3120443 in words is "three million, one hundred twenty thousand, four hundred forty-three".